I accidentally blew away the original change I made to support non-standard decimals. I think this is all that was needed, but we should test in kovan. This change:
reformats spacing in uniswap.js from 4 to 2 like the rest of the repo
line wraps some lines at 80 characters
adds support for tokens with non-standard decimals (not 18) like WBTC, RENBTC.
I accidentally blew away the original change I made to support non-standard decimals. I think this is all that was needed, but we should test in
kovan. This change: